Understanding the scope of "this" keyword 2018-06-14 08:41:39 This question already has an answer here: How does the “this” keyword work? 19 answers What is the 'new' keyword in JavaScript? 13 answers 链接地址: http://www.djcxy.com/p/40870.html 上一篇: JavaScript的 下一篇: 了解“this”关键字的范围